172723655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2333}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 239972544

約数和(自身を除く): 67248889

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 335, 871, 1105, 1139, 2333, 4355, 5695, 11665, 14807, 30329, 39661, 74035, 151645, 156311, 198305, 515593, 781555, 2032043, 2577965, 2657287, 10160215, 13286435, 34544731, 172723655]

約数ペア:

[(1, 172723655), (5, 34544731), (13, 13286435), (17, 10160215), (65, 2657287), (67, 2577965), (85, 2032043), (221, 781555), (335, 515593), (871, 198305), (1105, 156311), (1139, 151645), (2333, 74035), (4355, 39661), (5695, 30329), (11665, 14807)]